399680418020

Names of 399680418020

• Cardinal: 399680418020 can be written as Three hundred ninety-nine billion, six hundred eighty million, four hundred eighteen thousand and twenty.

Scientific notation

• Scientific notation: 3.9968041802 × 10¹¹

Factors of 399680418020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1432735

Divisors of 399680418020

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 13 20 26 29 37 52 58 65 74 116 130 145 148 185 260 290 370 377 481 580 740 754 962 1073 1508 1885 1924 2146 2405 3770 4292 4810 5365 7540 9620 10730 13949 21460 27898 55796 69745 139490 278980 1432649 2865298 5730596 7163245 14326490 18624437 28652980 37248874 41546821 53008013 74497748 83093642 93122185 106016026 166187284 186244370 207734105 212032052 265040065 372488740 415468210 530080130 540108673 689104169 830936420 1060160260 1080217346 1378208338 1537232377 2160434692 2700543365 2756416676 3074464754 3445520845 5401086730 6148929508 6891041690 7686161885 10802173460 13782083380 15372323770 19984020901 30744647540 39968041802 79936083604 99920104505 199840209010 399680418020
• Sum of all divisors σ(n): 960333948000
• Sum of proper divisors (its aliquot sum) s(n): 560653529980
• 399680418020 is an abundant number, because the sum of its proper divisors (560653529980) is greater than itself. Its abundance is 160973111960

Bases of 399680418020

• Binary: 101110100001110110011110011000011100100₂
• Hexadecimal: 0x5D0ECF30E4
• Base-36: 53LZEG9W

Squares and roots of 399680418020

• 399680418020 squared (399680418020²) is 159744436548641940720400
• 399680418020 cubed (399680418020³) is 63846723176130576930433531941608000
• The square root of 399680418020 is 632202.8298101805
• The cube root of 399680418020 is 7366.1002243311

Scales and comparisons

• 399,680,418,020 seconds is equal to 12,708 years, 31 weeks, 1 day, 18 hours, 20 minutes, 20 seconds.
• To count from 1 to 399,680,418,020 would take you about twenty-five thousand, four hundred seventeen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 399680418020 cubic inches would be around 613.8 feet tall.

Recreational maths with 399680418020

• 399680418020 backwards is 020814086993
• The number of decimal digits it has is: 12
• The sum of 399680418020's digits is 50
• More coming soon!